#551C3F

Closest named color: Grape Purple (#5D1451). oklch(32.7% 0.095 345.8), rgb(85, 28, 63).

Aa

White text reads best on this color (12.92:1).

About this color

#551C3F is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.095 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.040 away. White text reads best on it, at 12.92:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.095)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.62:1
White text12.92:1

Values

HEX#551C3F
RGBrgb(85, 28, 63)
HSLhsl(323, 50%, 22%)
OKLCHoklch(32.7% 0.095 345.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #551C3F 12.92:1 AAA Lc -101.9 Preferred for body text
Black text on #551C3F 1.62:1 Fails Lc 0.0 Not readable
#551C3F text on white 12.92:1 AAA Lc 98.6 Preferred for body text
#551C3F text on black 1.62:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #FBF3F7

    oklch(97.1% 0.01 345.4)

  2. Step 100

    100

    #F5E5ED

    oklch(93.7% 0.02 345.7)

  3. Step 200

    200

    #EECFDF

    oklch(88.5% 0.04 345.4)

  4. Step 300

    300

    #E4AFCB

    oklch(81.1% 0.071 345.8)

  5. Step 400

    400

    #D483B0

    oklch(70.8% 0.114 346)

  6. Step 500

    500

    #C6619C

    oklch(63.1% 0.146 346)

  7. Step 600

    600

    #B14587

    oklch(55.6% 0.158 345.8)

  8. Step 700

    700

    #983672

    oklch(49.2% 0.147 346.1)

  9. Step 800

    800

    #7B2D5D

    oklch(42.6% 0.122 345.6)

  10. Step 900

    900 (this color)

    #551C3F

    oklch(32.7% 0.095 345.8)

  11. Step 950

    950

    #3B192D

    oklch(27.1% 0.061 345.6)

Export this scale for Tailwind in the Tailwind colors tool

#551C3F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#222B400.103
Deuteranopia (no green cones)#32353E0.092
Tritanopia (no blue cones)#5B1B2A0.039
Achromatopsia (no color)#3131310.096

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #551C3F

    #551C3F

    oklch(32.7% 0.095 345.8)

  • #003F2C

    #003F2C

    oklch(32.6% 0.068 165.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #551C3F

    #551C3F

    oklch(32.7% 0.095 345.8)

  • #472255

    #472255

    oklch(32.7% 0.096 315.9)

  • #5C1A24

    #5C1A24

    oklch(32.8% 0.096 15.4)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #551C3F

    #551C3F

    oklch(32.7% 0.095 345.8)

  • #1B3F02

    #1B3F02

    oklch(32.8% 0.095 136.1)

  • #003D3E

    #003D3E

    oklch(32.6% 0.056 196.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #551C3F

    #551C3F

    oklch(32.7% 0.095 345.8)

  • #3A3600

    #3A3600

    oklch(32.7% 0.069 105)

  • #003B4D

    #003B4D

    oklch(32.8% 0.062 225.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #551C3F

    #551C3F

    oklch(32.7% 0.095 345.8)

  • #492F00

    #492F00

    oklch(32.8% 0.069 75.7)

  • #003F2C

    #003F2C

    oklch(32.6% 0.068 165.8)

  • #0C3464

    #0C3464

    oklch(32.7% 0.095 255.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #551C3F, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #551C3F in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.